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NCT Number: NCT04261712

A Study to Evaluate the Long-Term Safety and Efficacy of Paltusotine for the Treatment of Acromegaly (ACROBAT Advance)

A phase 2, open label, long-term extension study designed to evaluate the safety and efficacy of paltusotine (formerly CRN00808; an oral selective nonpeptide somatostatin receptor type 2 biased agonist) in subjects with acromegaly.

Active, Not Recruiting

This study is active but is not currently recruiting participants.

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Key information

Age range

18 year–75 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

Crinetics Study Site, Curitiba, Paraná, Brazil

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Completed one of the parent studies (Acrobat Evolve [CRN00808-02] or Acrobat Edge [CRN00808-03])
  • Females must be non-pregnant and non-lactating, and either surgically sterile, post-menopausal, or using effective method(s) of birth control
  • Willing to provide signed informed consent

Exclusion criteria

  • Clinically significant concomitant disease including, but not limited to, cardiovascular disease; moderate or severe renal insufficiency; or significant liver disease (including cirrhosis)
  • Pituitary radiation since completing participation in parent studies
  • History or presence of malignancy except adequately treated basal cell and squamous cell carcinomas of the skin within the past 5 years
  • Positive test at Screening for HIV, hepatitis B surface antigen (HBsAg) or hepatitis C antibody (HCV-Ab).
  • History of alcohol or substance abuse in the past 12 months
  • Use of any investigational drug (other than paltusotine) within the past 30 days or 5 half-lives, whichever is longer before Screening
  • Any condition that in the opinion of the investigator would jeopardize the subject's appropriate participation in this study.
  • Cardiovascular conditions or medications associated with prolonged QT or those which predispose subjects to heart rhythm abnormalities
  • Subjects with symptomatic cholelithiasis
  • Subjects with clinically significant abnormal findings during the Screening Period, and any other medical condition(s) or laboratory findings that, in the opinion of the Investigator, might jeopardize the subject's safety or ability to complete the study

Treatment and study plan

Paltusotine

Drug

Paltusotine, once daily by mouth

Other names: CRN00808

Primary outcomes

  1. Incidence of treatment-emergent adverse events (TEAEs) throughout the study

    Time frame: Week 316

Secondary outcomes

  1. Change in insulin-like growth factor-1 (IGF-1) level

    Time frame: Week 16, Week 312

  2. Change in growth hormone (GH) level

    Time frame: Week 16, Week 312

Sponsors and collaborators

Lead sponsor

Crinetics Pharmaceuticals Inc.

Industry

Registry information

Official study title

An Open Label, Long-term Extension Study to Evaluate the Safety and Efficacy of CRN00808 in Subjects With Acromegaly (ACROBAT Advance)

Important dates

Study start
2020
Primary completion
2028
Study completion
2028
First posted
Feb 10, 2020
Registry last updated
Jul 8, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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